<template>
  <div class="login-wrapper">
    <div class="model">
      <el-form ref="userForm" :model="user" status-icon :rules="rules">
        <div class="title">登录界面</div>

        <el-form-item prop="userName">
          <el-input type="text" prefix-icon="user" v-model="user.userName"/>
        </el-form-item>

        <el-form-item prop="userPwd">
          <el-input type="password" prefix-icon="view" v-model="user.userPwd"/>
        </el-form-item>

        <el-form-item>
          <el-button type="primary" class="btn-login" @click="login">登录</el-button>
        </el-form-item>

      </el-form>
    </div>
  </div>
</template>

<script>
import storage from "./../utils/storage"
import utils from "./../utils/utils"


export default {
  name:'login',
  data(){
    return {
      user:{
        userName:'',
        userPwd:''
      },
      rules:{
        userName: [
          {
            required:true, message:"请输入用户名", trigger:"blur"
          }
        ],
        userPwd: [
          {
            required:true, message:"请输入密码", trigger:"blur"
          }
        ]
      }
    }
  },

  methods:{
    login(){
      this.$refs.userForm.validate((valid)=>{
        if(valid){
          this.$api.login(this.user).then(async (res)=>{
            this.$store.commit('saveUserInfo', res);
            await this.loadAsyncRoutes()
            this.$router.push('/welcome')
          })
        }else{
          return false;
        }
      })
    },
    // 异步加载路由
    async loadAsyncRoutes() {
        let userInfo = storage.getItem('userInfo') || {}
        if (userInfo.token) {
          try {
            const { menuList } = await this.$api.getPermissionList()
            let routes = utils.generateRoute(menuList)
            routes.map(route => {
              let url = `./../views/${route.component}.vue`
              route.component = () => import(/* @vite-ignore */url)
              this.$router.addRoute("home", route)
            })
          } catch (error) {
            console.error("获取权限列表失败:", error);
          }
        }
    },
    goHome(){
      this.$router.push('/welcome')
    }
  }
}
</script>



<style lang="scss">
.login-wrapper{
  display: flex;
  justify-content: center;  //水平居中
  align-items: center;  //垂直居中
  background-color: #f9fcff;
  width: 100vw;
  height: 100vh;
  .model{
    width: 500px;
    padding: 50px;
    background-color: #fff;
    border-radius: 4px;
    box-shadow: 0px 0px 10px 3px #c7c9cb4d;
    .title{
      font-size: 50px;
      line-height: 1.2;
      text-align: center;
      margin-bottom: 30px;
    }
    .btn-login{
      width: 100%;
    }
  }
}
</style>
